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7D Variation
Year 7 Variation
| Question | Answer |
|---|---|
| Same as a mathematical relationship | correlation |
| Any plant or animal formed by reproduction. Offspring are produced by their parents. | offspring |
| A living thing. | organism |
| A link between two things shown on a graph. | relationship |
| A group of organisms that can reproduce with each other to produce offspring that will also be able to reproduce. | species |
| The differences between things. | variation |
| The surroundings of an organism. | environment |
| Things in an environment that can change something about an organism. | environmental factors |
| Differences between organisms caused by environmental factors. | environmental variation |
| Differences between organisms passed to organisms by their parents in reproduction. | inherited variation |
| Rear or bottom end of an animal’s main body. | abdomen |
| Something sticking out of an animal’s head which is used to sense things. | antenna |
| Sorting things into groups. | classification |
| ront or top end of an animal’s body. | head |
| Some animals have bodies that are divided into obvious sections called segments. | segment |
| Middle part of an animal’s main body. In insects the legs are attached to the thorax. | thorax |
| Vertebrate with moist skin. (e.g. frog) | amphibian |
| Vertebrate with feathers, e.g. an eagle. | bird |
| Vertebrate with wet scales, fins and gills, e.g. a salmon. | fish |
| Animal with no backbone. | invertebrate |
| Largest groups that living things are sorted into. The two biggest are the plant and animal kingdoms. | kingdom |
| Vertebrate with hair, which also produces milk, e.g. a human. | mammal |
| Vertebrate with dry scales, e.g. a snake. | reptile |
| An animal with a backbone. | vertebrate |
| Type of arthropod with four pairs of legs, e.g. a spider. | arachnid |
| Invertebrate with jointed legs, e.g. a fly or spider. | arthropod |
| Type of arthropod with long thin body divided into sections. One pair of legs on each body section. | centipede |
| Type of arthropod with a chalky shell and 5–7 pairs of legs, e.g. a lobster. | crustacean |
| Invertebrate with a body in five parts, e.g. a starfish. | echinoderm |
| Thick outer covering found on arthropods. | exoskeleton |
| Type of arthropod with three pairs of legs, e.g. a fly. | insect |
| Arthropod with long, thin body divided into sections. Two pairs of legs on each body section. | millipede |
| Invertebrate that crawls on a fleshy pad, e.g. a snail. | mollusc |
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